<template>
  <div>
    <el-upload class="avatar-uploader" action="https://jsonplaceholder.typicode.com/posts/" :show-file-list="false">
      <img v-if="imageUrl" :src="imageUrl" class="avatar">
      <i v-else class="el-icon-plus avatar-uploader-icon">假装有图</i>
    </el-upload>
  </div>
</template>
<script>
export default {
  data() {
    return {
      imageUrl: ''
    }
  }
}
</script>
<style scoped lang="scss">
// ::v-deep 样式穿透
::v-deep .avatar-uploader .el-upload {
    width: 178px;
    height: 178px;
    border: 1px dashed #d9d9d9;
    border-radius: 6px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

::v-deep .avatar-uploader .el-upload:hover {
    border-color: #409EFF;
}

::v-deep .avatar-uploader-icon {
    font-size: 28px;
    color: #8c939d;
    width: 178px;
    height: 178px;
    line-height: 178px;
    text-align: center;
}

::v-deep .avatar {
    width: 178px;
    height: 178px;
    display: block;
}
</style>
